improve detection of RLE decoding

Cristy · Cristy · commit 2724f9d77d3c · 2025-03-16T11:09:56.000-04:00
diff --git a/coders/bmp.c b/coders/bmp.c
@@ -354,7 +354,7 @@ static MagickBooleanType DecodeImage(Image *image,const size_t compression,
   }
   (void) ReadBlobByte(image);  /* end of line */
   (void) ReadBlobByte(image);
-  return((q-pixels) < (ssize_t) number_pixels ? MagickFalse : MagickTrue);
+  return((p-pixels) < (ssize_t) number_pixels ? MagickFalse : MagickTrue);
 }
 
 /*

Original file line number	Diff line number	Diff line change
`@@ -354,7 +354,7 @@ static MagickBooleanType DecodeImage(Image *image,const size_t compression,`
`354`	`354`	`}`
`355`	`355`	`(void) ReadBlobByte(image); /* end of line */`
`356`	`356`	`(void) ReadBlobByte(image);`
`357`		`- return((q-pixels) < (ssize_t) number_pixels ? MagickFalse : MagickTrue);`
	`357`	`+ return((p-pixels) < (ssize_t) number_pixels ? MagickFalse : MagickTrue);`
`358`	`358`	`}`
`359`	`359`
`360`	`360`	`/*`